PIEZOELECTRIC COMPOSITIONS AND PIEZOCERAMIC COMPONENTS

Product Description: 

PIEZOELECTRIC COMPOSITIONS AND PIEZOCERAMIC COMPONENTS

PIEZOELECTRIC COMPOSITIONS

Centre for Materials for Electronics Technology (C-MET) , Thrissur has developed the following piezoceramic compositions which are engineered for enhanced electromechanical properties. Different standard compositions, as shown below are available. C-MET also has the capability for custom-made Piezoelectic compositions to suit the requirement of a particular application.      

Standard Piezoelectric compositions

Sl

No

Product

Code

1

Piezoelectic composition

PZT-H1

2

Piezoelectic composition

PZT-H2

3

Piezoelectic composition

PZT-S1

4

Piezoelectic composition

PZT-S2

 

 

 

 

 

 

 

 

 

The important properties of standard piezoceramics offered by C-MET are given in Table 1 given below.

  Table 1 Specifications of Standard Piezoelectric Compositions

          

              Electrical Characteristics

           

 

PZT-H1

 

 

 

PZT-H2

 

 

PZT-S1

                     

 

 

PZT-S2

1

Dielectric Permittivity ,er

 

1430

1120

1743

2682

2

Dielectric loss ,tan d

 

0.003

0.002

0.02

0.02

3

Piezoelectric Coefft.d33(pC/N)

 

355

328

456

630

4

Electromechanical coupling factor ( kp)

 

0.59

0.58

0.64

0.65

5

Mechanical  quality factor Qm

 

685

900

72

70

6

Density (gm./cc)

 

7.6

7.6

7.7

7.6

7

Frequency constant,N Hz.-m

 

2083

2100

1900

1975

8

Curie Point, Tc(0C)

330

330

360

272

 

PIEZOCERAMIC COMPONENTS

C-MET has the capability to fabricate Components of various shapes.  Quality system ISO 9001: 2008 is in place to ensure reproducibility and traceability. Typical dimensions and some of the important properties of piezoceramic components offered by C-MET are given in Table 2.

piezoceramics8

Piezoceramic Components – PZT Rings, PZT Plate and PZT Discs

Advantages

  • Lower sintering temperature
  • High-density microstructures
  • Enhanced electromechanical properties
  • Improved Insulation Resistance(IR) in Components

Table  2.  Specifications of Piezoceramic Components

Piezoceramic

component

Typical dimensions

Electrical Characteristics

C(nF)

tan δ

   d33

(pC/N)

fr (KHz)

    keff

IR (GΩ)

 

PZT Ring

 

OD = 50.00±0.05mm

ID  =  38.00±0.10mm

   t  =   8.00 ±0.08mm

 

1.15±0.04

0.002

325±25

179±1

0.58±0.02

150±25

(1000V DC)

 

PZT Disc

 

 

 

Dia = 15.04±0.06mm

   T =   0.28 mm

 

10.50±0.50

0.02

520±20

135±1

0.65±0.02

20

(100V DC)

 

PZT Disc

 

 

Dia = 24.70±0.20mm

   T  =   1.03±0.03mm

 

10.0±1.0

0.02

575±30

81.75±0.75

  0.56±0.02

20

(100V DC)

 

PZT Plate

 

 

 

Length = 40.00± 0.03

Width  =  19.94±0.02

    Thk =   5.00  ±0.01

1.60±0.07

0.002

275±50

394±2

0.58±0.02

 

110±10

(1000  V DC)

 

 

Product Location: 
Thrissur Laboratory

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